# When2Do vs DayDuet

When2Do and DayDuet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

When2Do ships an update every 10 days, DayDuet weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | When2Do | DayDuet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/when2do/id1672746901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 47 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Danilo Bottini](https://appshunter.io/developer/304768858) | [MOPIU LDA](https://appshunter.io/developer/1876876441) |

## What reviewers say

### When2Do

[App page](https://appshunter.io/ios/app/when2do/id1672746901)

This app helps you plan your activities by scheduling them based on duration, deadline, and your work schedule. It tracks task progress and can export data to CSV. View your overall schedule in a GANTT style.

**Highlights:** Automated activity scheduling, Task duration and deadline input, Work schedule and holiday consideration, Task execution status tracking, CSV data export, GANTT style schedule view

**Features:** macOS Compatibility

**In-app purchases:** none


### DayDuet

[App page](https://appshunter.io/ios/app/dayduet-daily-planner/id6768076029)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is When2Do free?

When2Do is free to download, with no in-app purchases.

### Is DayDuet free?

DayDuet is free to download, with no in-app purchases.

### Do When2Do or DayDuet have ads?

Neither When2Do nor DayDuet shows ads.

### Which is updated more often, When2Do or DayDuet?

When2Do ships an update every 10 days, and DayDuet weekly. Most recently, When2Do was updated on October 24, 2026 and DayDuet on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*